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Patented Dec. 4, 1923.

UNITED STATES PATENT OFFICE.

EDWARD A. STIGGINS, DECEASED, LATE OF BEVERLY, MASSACHUSETTS; BY MAR- GARET B. STIGGINS. EX CUTRIX, OF BEVERLY, MASSACHUSETTS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO UNITED SHOE MACHINERY CORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

MACHINE FOB WORKING UPPETSS OVER LASTS.

Application filed July 14, 1916, Serial No. 105,306.

T 0 [471 whom it may concern:

Be it known that EDWARD A. S'rIoGINs, late of Beverly, in the county of Essex and State oi Ivlassachusetts, deceased, invented certain Improvements in Machines for lVorking tippers Over Lasts, of which the following description, in connection with the accompanying drawings, is a specifica tion. like reference characters on the drawings indicating like parts in the several figures.

This invention relates to the manufacture of boots and shoes and more particularly to a machine for working an upper into position upon the last over which the shoe is made. In conforming the upper materials to the requirements of the last, it has been usual to assemble the upper materials on the last and then subject the upper ma terials to an operation known as pulling over prior to and distinct from the step known as lasting. This preliminary pulling-over operation has been done by hand, and then the pulled-over shoe, as it may be termed, has been subjected to the lasting operation. Recently a machine has come into extensive use for performing the prelimi nary operation of pulling over automatically. and a further development of this machine has been devised wherein both the pulling-over and lasting operations have been automatically performed.

()ne of the objects of pulling-over is to properly position the upper materials on the last. The tip line, for instance, in some shoes is to extend transversely of the last at a predetermined angular relation to the median line of th shoe. In others, it may be desirable to vary its angular transverse position as well as its distance from the end of the toe as required by the size and style of the shoe itself. These and other considerations dictate that the shoe be so positioned in th machine during th pulling-over operation that the attendant or operative may have directly in his line of vision the top of the forcpart of the shoe so that he may readily examine the position of the upper on the last and make necessary corrections. After the shoe has beenpulled over. it is to be subjected to the lasting operation. This is best pert'ormed when the Renewed September 16, 1922. Serial No. 588,731.

sole or the shoe is presented to the view of the attendant or operative, in order that he may see that the edge of the upper is prop- I crly laid upon the sole of the shoe. Durm the lasting operation, the upper is secured in overlaid or lasted position, and in order that the fastening means may be properly applied, it is desirable that the shoe be sustained by some kind of a support. This is particularly the case when the fastening devices or parts thereof require to be driven into the shoe. An important feature of the present invention comprises a novel combination of shoe positioning means and pulling-over and lasting means, the construction shown comprising shoe supporting means for sustaining the shoe in position for the pulling-over operation with the toe oi the shoe pointing in such direction that the top of the iorepart of the shoe is in full view of the operative, and movable from such position to the lasting position to cause the toe of the shoe to point in another direction with the sole uppermost.

This feature of the invention is capable of various embodiments, but as herein exploited, the shoe is sustained for the pulling-over operation with the toe pointing upwardly, and is movable from such position into a more nearly horizontal position with the toe pointing at an angle to the vertical and with the sole uppermost. In this disposition of parts the operative has before him and direc ly in his line of vision in his normal working position during the ulling-ovcr operation, the upper materials of the shoe. the edge of which he is enabled to place within the jaws of the grippers, and he can adjust the upper and tip line intelligently in accordance with the shoe requirements. On the other hand, when the shoe support is moved to lasting position, the location of the shoe is so changed that the shoe is presented sole uppermost for the convenient performance of the lasting 0poration, This movement of the shoe.support to carry the shoe between the pulling over and lasting positions may be effected in various ways, either by hand 01' power, but in the present embodiment of the invention such movement is effected by poweroperated devices. This manner of moving the shoe support has special advantages in the present embodiment of the invention because while the invention in its broadest aspect contemplates any kind of pullingover and lasting means, either hand or power-operated, they are herein shown as automatic means for effecting their respective functions, and in such organization an automatic movement of the shoe support is preferable.

here the operations of pulling-over and lasting have been heretofore attempted in one machine, either the operations themselves have been performed by hand, or if performed by automatic means, the shoe has not been shifted to present it in the best positions for the respective operations by a movable shoe support. An important feature of the presentinvention, therefore, consists in a shifting shoe support for carrying the shoe between positions where the pulling-over and lasting operations are automatically performed.

It has been customary where the shoe has been pulled over automatically or by power, to secure the upper in pulled-over position by means of tacks and then transfer the pulled-ovcr shoe to another machine for the lasting operation. In the present invention the lasting means and other parts are so combined and arranged that there is no longer any necessity for tacking the upper in pulled-over position after the automatic action of the pulling-over means, and in this respect an important feature of the present invention consists in a novel combination of pulling-over means and lasting means with means for retaining the upper in pulled-over position for the operation of the lasting means, the construction shown comprising means for moving the shoe from the pulling-over position to the lasting position while the upper is still held by the pulling-over means and for causing an end embracing pad to wipe the upper about the toe as the shoe moves into lasting position and to hold the upper mater'als when released by the pullii'ig-over means and for the lasting operation. This effect may be secured in various ways, but in the present embodiment of th invention the shoe support is mounted to turn about a transverse axis so that as the toe of the shoe approaches lasting position the upper materials about the toe are wiped upwardly by the pad of the lasting devices.

In the broader aspect of the inventiomthe lasting devices may be of any suitable character and the upper materials may be secured in lasted position by any of the usual means employed for this purpose. Another important feature of the invention, however, consists of a novel means movable about the end of the last for working the upper into lasted position. In the illusremove trated embodiment of the invention for this purpose, this novel means comprises a lasting tool or element movable about the toe end. of the shoe. The lasting element in the present instance comprises a wheel which is arranged to travel about the toe end with its peripheral portion overlying the edg of the last. It may also be arranged to be rotated during such traveling movement. To acco :imodate the lasting wheel to the vary ing thickness of stock as it rolls bodily about the toe and to conform its path of travel to slight variations in the contour of the toe, it is yieldingly supported.

in important feature of the present invention consists in novel means for lasting the entire end portion of the shoe about the toe from substantially the ball line at one. side to the ball line at the opposite side. Shoes differ, however, in length from the toe to the ball line on opposite sides of the shoe, and some shoes are mor nearly straight along one side from the toe to the ball line than along the other side. Another inugortant feature of the invention, therefore, consists in means for changing the path of the lasting tool to cause it to travel a greater distance along one side of the shoe than the other to effectively overwork the upper into lasted position on rights and lefts and on varying styles of shoes. In order to secure for the lasting wheel this varying range of travel along opposite sides of the toe the initial or starting position of the lasting wheel at one side of the shoe is changeable at will, and its finishing position at the opposite side is determined by the operative during the operation of the machine.

The lasting wheel acts upon the upper materials to carry the edge portions thereof into overworked relation with the bottom of the shoe and this is most effectively secured when the lasting wheel is inclined to the plane of the last bottom. angular or inclined relation of the lasting wheel and shoe bottom depemls upon the character of materials being overworked and other considerations; and another important feature of the invention consists in means for changing this angular or inclined relation at will to suit the conditions of the work.

Vfhen the upper materials are overworked in lasted position, they are secured in place. This may be done in various ways, as by driving tacks through the upper material into the sole of the shoe. In the present instance, however, the lasting wheel is provided with a peripheral. groove adapted to accommodate a fastening wire which may be laid in said groove about the lasting wheel. One end of the wire may be anchored to the shoe at one side by a tack, so that as the upper materials are over- The degree of lili': 

